Sommaire / Contents / Contenido Curved geometries in a transfer zone, Quebrada del Toro, Salta Province, NW Argentina 15-18 L. ABASCAL Structural setting of the Cordillera Oriental of the Central Andes at 25 °S: Tectonic and magmatic implications 19-20 V. ACOCELLA, L. VEZZOLI, R. OMARINI, M. MATTEINI, a R. MAZZUOLI Contrasting styles of volcanic activity as observed by remote sensing: The cases of Lascar, Llaima and Villarrica volcanoes, Chile 21-25 F. AGUILERA Glacial evolution in the Ampato - Sabancaya - Hualcahualca volcanic complex (southern Peru) 26-28 J. ALCALÁ, J. ÚBEDA, J.-C. THOURET, a D. PALACIOS The debris avalanche of Chimborazo, Ecuador 29-32 S. ALCARAZ, B. BERNARD, J.-P. EISSEN, H. LEYRIT, C. ROBIN, P. SAMANIEGO, J.-L. LE PENNEC, a D. BARBA High Mg-basalts in the Western Cordillera of Ecuador: Evidence of plateau root melting during Late Cretaceous arc-magmatism 33-35 J. ALLI BON, P. MONJOIE, H. LAPIERRE, E. JAILLARD, F. BUSSY, a D. BOSCH Gondwanic and Andean structure in the Argentine central Precordillera: The Río San Juan section revisited 36-39 J. L. ALONSO, L. R. RODRÍGUEZ-FERNÁNDEZ, J. GARCÍA-SANSEGUNDO, N. HEREDIA, P. FARIAS, a J. GALLASTEGUI Cenomanian-Turonian bentonites of the Eastern Cordillera and Upper Magdalena Valley, Colombia 40-41 U. ALTENBERGER, M. VÁSQUEZ, P. PATARROYO, R. L. ROMER, 6 J. M. JARAMILLO Accreted oceanic fragments below the Western Cordillera of Ecuador 42-45 A. AMÓRTEGUI, H. LAPIERRE, E. JAILLARD, J.-E. MARTELAT, D. BOSCH, F. BUSSY, A. DEMANT, & P. BRUNET Systematic time-controlled geochemical changes in the Ecuadorian Volcanic Are 46-49 D. ANDRADE, M. MONZIERf, H. MARTIN, a J. COTTEN K-Ar and 40Ar/3,Ar ages from supergene minerais in northern Chile: Prevalence of humid climate and tectonic uplift until the Upper Miocene in the Atacama Desert 50-52 G. ARANCIBIA, S. MATTHEWS, a C. PÉREZ DE ARCE The last destructive earthquakes occurred in La Rioja (05-28-2002) and Catamarca (09-07-2004), northwestern Pampean ranges, Argentina 53-56 M. A. ARAUJO, A. M. PÉREZ, a M. H. MILLÁN Comparative evolution of the Lower Cretaceous pluto-volcanic are and back-arc from the Atacama Region, Chile 57-60 C. ARÉVALO, F. A. MOURGUES, E. JAILLARD, a L. G. BULOT Hydrological impaets of the works of regulation of superficial water transfers on the Altiplano basin (Bolívia) 61-63 J. ARGOLLO a H. C. BOERO Numerical plan view restoration of the Bolivian Orocline 64-67 C. ARRIAGADA, P. ROPERCH, P. R. COBBOLD, a C. MPODOZIS A paleomagnetic study within the Chuquicamata porphyry copper deposits, Central Andes, Chile 68-71 N. ASTUDILLO, P. ROPERCH, B. TOWNLEY, C. ARRIAGADA Paleoseismic assessment of the main Strand of the Boconó fault in its central section, at Mesa del Caballo, Mérida Andes, Venezuela 72-75 F. A. AUDEMARD, R. OLLARVES, G. DÍAZ, M. BECHTOLD, C. BECK, E. CARRILLO, D. PANTOSTI, a H. DIEDERIX Seismicity and active tectonics in the lio región, southern Peru, using combined permanent and temporal network seismic observations , 76-78 L. AUDIN a H. T AVE RA Influence of piedmont Sedimentation on the erosion dynamics: An experimental approach and implications for the Andes 79-82 J. BABAULT, J. VAN DEN DRIESSCHE, S. BONNET, a A. CRAVE Influence of the Nazca ridge subduction on the Amazonian foreland basin deformation: Preliminary analyses 83-85 P. BABY, N. ESPURT, S. BRUSSET, W. HERMOZA, P.-O. ANTOINE, M. RODDAZ, J. AAARTINOD, a R. BOLAÑOS Active tectonic escape of the northwestern Venezuelan Andes 86-89 G. BACKÉ, D. DHONT, Y. HERVOUÊT, a L. GONZALES Geology and structure of the Iate Pleistocene to Holocene Chimborazo stratovolcano (Ecuador) 90-93 D. BARBA, P. SAMANIEGO, J.-P. EISSEN, C. ROBIN, M. FORNARI, J. COTTEN, & B. BEATE Lower Maastrichtian syntectonic Sedimentation along the Subandean Zone and its relationship with an accretionary event of an oceanic terrane registered in the Cordillera Occidental of Ecuador 94-97 R. BARRAGÁN, J. TORO-ÁLAVA, E. JAILLARD, H. WHITE, T. TOULKERIDIS, J. MONTENEGRO, & G. MEDINA Mesozoic terrane translations and crustal block rotations in the Eastern Cordillera and Magdalena Valley, Colombia, inferred from paleomagnetism 98-102 G. BAYONA, A. E. RAPALINI, V. COSTANZO-ÁLVAREZ, C. MONTES, G. VELOZA, R. C. AYALA-CALVO, M. GÓMEZ-CASALLAS, a C. SILVA Tectonic evolution of northern Ñirihuau basin northwestern Patagonia, Argentina 103-106 F. BECHIS & E. 0. CRISTALLINI Fiat subduction beneath the Andean región fron seismological evidences 107-110 J. BERROCAL a C. FERNANDES Early Mesozoic rift-related magmatism in the BoUvian Andes and Subandes: The southernmost record of the Central Atlantic Magmatic Province 111-114 H. BERTRAND, M. FORNARI, A. MARZOLI, T. SEMPERE, & G. FÉRAUD Application of INSAR interferometry and geodetic surveys for monitoring Andean volcanic activity : First results from ASAR-ENVISAT data 115-118 S. BONVALOT, J.-L. FROGER, D. RÉMY, K. BATAILLE, V. CAYOL, J. CLAVERO, D. COMTE, G. GABALDA, K. GONZALES, L. LARA, D. LEGRAND, 0. MACEDO, J. NARANJO, P. MOTHES, A. PAVEZ, a C. ROBIN The role of fluids in the Nazca flat slab near 31 °s revealed by the electrical resistivity structure 119-122 J. BOOKER, A. FAVETTO, C. POMPOSIELLO, a F. XUAN The mantle wedge in the Bolivian orocline in the view of deep electromagnetic soundings 123-126 H. BRASSE Dynamic evolution of Oligocene - Neogene sedimentary series in a retro-foreland basin setting: Oriente Basin, Ecuador 127-130 J. D. BURGOS, F. CHRISTOPHOUL, P. BABY, P.-O. ANTOINE, J.-C. SOULA, D. GOOD, a M. RIVADENEIRA Upper Carboniferous carbonate shelves in the Andean Frontal Cordillera (San Juan Province - Argentina): Sedimentology and tectono-sedimentary context 131 -134 P. BUSQUETS, I. MÉNDEZ-BEDIA, F. COLOMBO-PIÑOL, N. HEREDIA, a G. GALLASTEGUI Structure and physical properties of the subduction Channel off the Gulf of Guayaquil (Ecuador) from seismic reflection data 135-137 A. CALAHORRANO, V. SALLARES, J.-Y. COLLOT, F. SAGE, a C. RANERO Metamorphic P-T constraints for non-coaxial ductile flow of Jurassic pyroclastic deposits: Key evidence for the closure of the Rocas Verdes Basin in Southern Chile 138-141 M. CALDERÓN, G. GALAZ, G. TASCÓN, C. RAMÍREZ, R. LUCA, H.-J. MASSONNE, A. BRANDELIK, a F. HERVÉ Neogene stratigraphic architecture and tectonic evolution of the Mejillones Peninsula (northern Chile) based on a new 1:50,000 geological map 142-145 G. CANTALAMESSA, C. DI CELMA, L. RAGAINI, G. VALLERI, a W. LANDINI Paleogeographic, structural and magmatic evidences for the existence of different lithospheric blocks in the Central Andes: Samples from southern Peru and northern Chile 146-149 V. CARLOTTO, L. CERPA, J. CÁRDENAS, J. QUISPE, a G. CARLIER The problem of the progressive unconformity in the continental red beds of the southern región of Cusco, Peru 150-153 R. CARREÑO a R. LÓPEZ-ZAPANA Structure of the southern Cordillera Oriental (Acentinean Andes) 154-157 N. CARRERA, J. A. MUÑOZ, F. SÀBAT, R. MON, a E. OCA Reverse fault geometry of the Chuculay system, northern Chilean outer forearc, using morphotectonical and numerical approach 158-161 D. CARRIZO, G. GONZÁLEZ, J. CEMBRANO, G. YAÑEZ, A. JENSEN, J. ESPINA, a J. ANDRÔNICO The Matalaque Formation of southern Peru: New stratigraphic and geochemical data 162-165 J. CERVANTES, W. MARTÍNEZ, D. ROMERO, A. ZAPATA, a P. NAVARRO Deciphering the tectonic evolution of the Peruvian segment of the Gondwanan margin 166-169 D. CHEW, U. SCHALTEGGER, A. MISKOVlé, D. FONTIGNIE, a M. FRANK Increase in intermedíate seismicity rate below the Colombian Andes visualised and interpreted through combined local seismic tomograpy and hypocentral profiles: Eje Cafetero región and Bucaramanga seismic nest 170-173 G. CHICANGANA a C. A. VARGAS Tertiary volcanism and Sedimentation in the southern Cordillera Principal, Mendoza, Argentina 174-177 A. M. COMBINA a F. NULLO The deep seismic structure of the central Neuquén Basin, Argentina 178-181 A. H. COMÍNGUEZ a J. R. FRANZESE Architecture of the sedimentary basins in the medium and upper slope of the Chilean subduction margin (33°30'-36°s) 182-185 X. CONTARDO, J. CEMBRANO, a A. JENSEN Paleotectonic controls on the distribution of Quaternary deformation in the southern Precordillera, Central Andes (31°30'-33° sl) 186-189 J. M. CORTÊS, M. PASINI, & M. Y AMIN The seismogenic potential for large earthquakes at the southernmost Pampean flat-slab segment (Argentina) from a geologic perspective 190-193 C. H. COSTA The genetic link between Jurassic-Cretaceous mafic dyke swarms and coeval plutons and volcanic units, Coastal Ranges of central Chile (33°-33°45'S) 194-197 C. CREIXELL, D. MORATA, M. Á. PARADA, a C. PÉREZ DE ARCE A modern gravimetric methodology applied to the study of the Bolivian Andes 198-201 C. CROVETTO a A. INTROCASO Temporal and spatial constraints on multi-phase crustal rotation in the forearc of Northern Chile 202-205 B. DASHWOOD a G. TAYLOR Crustal seismicity and active tectonics in the Arica bend forearc 206-210 C. DAVID, L. AUDIN, D. COMTE, H. TAVERA, a G. HÉRAIL Long-wavelength subsidence in the Andean broken foreland: Sublithospheric controls on the Sedimentation and topography of the Sierras Pampeanas? 211-214 F. M. DÁVILA, T. E. JORDAN, a R. A. ASTINI Stratigraphy and syndepositional structures of the basal foreland deposits in the northern Valle Calchaquí, NW Argentina 215-217 C. DEL PAPA, F. HONGN, R. MON, J. POWELL, a I. PETRINOVIC New constraints on the tectonics of the Venezuelan Andes from 3D geological modeling 218-221 D. DHONT, G. BACKÉ, Y. HERV0UET, J. CHOY, S. KLARICA, a P. LUXEY Syn-depositional tectonic controls on the internai architecture of a mid-Pleistocene depositional sequence (Mejillones Formation, northern Chile) 222-225 C. Dl CELMA a G. CANTALAMESSA Dichotomous provenance and age of diamictites in the Early Palaeozoic Peru-Bolivia foreland basin of Gondwana 226-229 E.